======================================
| [   24.460441][    C2]  #2: ffffffffac977d20 (rcu_read_lock){....}-{1:3}, at: is_module_text_address (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3921 (discriminator 2))
| [   24.460616][    C2]  #3: ffffffffac977c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [   24.460827][    C2]
| [   24.460827][    C2] stack backtrace:
[   24.460936][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.460939][    C2] Call Trace:
[   24.460940][    C2]  <IRQ>
[   24.460941][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.460946][    C2]  print_usage_bug.part.0.cold (kernel/locking/lockdep.c:4042)
[   24.460949][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.460951][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4056 kernel/locking/lockdep.c:4267)
[   24.460953][    C2]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   24.460955][    C2]  ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[   24.460957][    C2]  ? save_trace (kernel/locking/lockdep.c:589)
[   24.460959][    C2]  ? mmu_notifier_unregister (./include/linux/list.h:999 ./include/linux/rculist.h:237 mm/mmu_notifier.c:869)
[   24.460962][    C2]  mark_lock (kernel/locking/lockdep.c:4753)
[   24.460964][    C2]  mark_usage (kernel/locking/lockdep.c:4642)
[   24.460966][    C2]  __lock_acquire (kernel/locking/lockdep.c:5191)
[   24.460967][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.460968][    C2]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[   24.460971][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.460973][    C2]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[   24.460974][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.460976][    C2]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.460978][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1))
[   24.460980][    C2]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[   24.460982][    C2] tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[   24.460983][    C2]  tcf_action_rcu_free (net/sched/act_api.c:367 net/sched/act_api.c:378)
[   24.460985][    C2]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[   24.460987][    C2]  rcu_do_batch (kernel/rcu/tree.c:2617)
[   24.460989][    C2]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[   24.460992][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.460993][    C2]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   24.460995][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.460997][    C2]  rcu_core (kernel/rcu/tree.c:2869)
[   24.460999][    C2]  handle_softirqs (kernel/softirq.c:622)
[   24.461000][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.461003][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.461004][    C2]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[   24.461007][    C2]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[   24.461008][    C2]  irq_exit_rcu (kernel/softirq.c:752)
[   24.461010][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   24.461011][    C2]  </IRQ>
[   24.461012][    C2]  <TASK>
[   24.461013][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.461015][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[   24.461016][    C2] RIP: 0010:lock_acquire.part.0 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) kernel/locking/lockdep.c:5871 (discriminator 1))
[   24.461019][    C2] Code: ff 65 0f c1 05 37 d9 33 04 83 f8 01 4c 8b 14 24 0f 85 30 01 00 00 9c 58 f6 c4 02 0f 85 4d 01 00 00 4d 85 d2 0f 85 16 01 00 00 <48> 8b 44 24 30 65 48 2b 05 a9 92 33 04 0f 85 43 01 00 00 48 83 c4
All code
========
   0:	ff 65 0f             	jmp    *0xf(%rbp)
   3:	c1 05 37 d9 33 04 83 	roll   $0x83,0x433d937(%rip)        # 0x433d941
   a:	f8                   	clc
   b:	01 4c 8b 14          	add    %ecx,0x14(%rbx,%rcx,4)
   f:	24 0f                	and    $0xf,%al
  11:	85 30                	test   %esi,(%rax)
  13:	01 00                	add    %eax,(%rax)
  15:	00 9c 58 f6 c4 02 0f 	add    %bl,0xf02c4f6(%rax,%rbx,2)
  1c:	85 4d 01             	test   %ecx,0x1(%rbp)
  1f:	00 00                	add    %al,(%rax)
  21:	4d 85 d2             	test   %r10,%r10
  24:	0f 85 16 01 00 00    	jne    0x140
  2a:*	48 8b 44 24 30       	mov    0x30(%rsp),%rax		<-- trapping instruction
  2f:	65 48 2b 05 a9 92 33 	sub    %gs:0x43392a9(%rip),%rax        # 0x43392e0
  36:	04 
  37:	0f 85 43 01 00 00    	jne    0x180
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c4                   	.byte 0xc4

Code starting with the faulting instruction
===========================================
   0:	48 8b 44 24 30       	mov    0x30(%rsp),%rax
   5:	65 48 2b 05 a9 92 33 	sub    %gs:0x43392a9(%rip),%rax        # 0x43392b6
   c:	04 
   d:	0f 85 43 01 00 00    	jne    0x156
  13:	48                   	rex.W
  14:	83                   	.byte 0x83
  15:	c4                   	.byte 0xc4
[   24.461020][    C2] RSP: 0018:ffa00000006f6ab0 EFLAGS: 00000206
[   24.461023][    C2] RAX: 0000000000000046 RBX: 0000000000000000 RCX: abfc63c6628187ed
[   24.461024][    C2] RDX: 0000000000000001 RSI: ffffffffac3ebde8 RDI: ffffffffabe6f6c0
[   24.461025][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ff1100000d40ae80
[   24.461026][    C2] R10: 0000000000000200 R11: 0000000000000001 R12: ffffffffac977d20
[   24.461027][    C2] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   24.461029][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.461031][    C2]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.461033][    C2]  is_module_text_address (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3921 (discriminator 2))
[   24.461035][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3921 (discriminator 2))
[   24.461036][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.461038][    C2]  kernel_text_address (kernel/extable.c:119 kernel/extable.c:94)
[   24.461040][    C2]  __kernel_text_address (kernel/extable.c:79)
[   24.461042][    C2]  ? write_profile (profile.c:?)
[   24.461044][    C2]  unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.461046][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   24.461050][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.461053][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.461054][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.461056][    C2]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.461058][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.461059][    C2]  kasan_save_stack (mm/kasan/common.c:57)
[   24.461061][    C2]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.461063][    C2]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[   24.461065][    C2]  ? kvfree_call_rcu (mm/slab_common.c:1970)
[   24.461067][    C2]  ? mas_wr_node_store (lib/maple_tree.c:1153 (discriminator 1) lib/maple_tree.c:1595 (discriminator 1) lib/maple_tree.c:3201 (discriminator 1))
[   24.461070][    C2]  ? mas_store_prealloc (lib/maple_tree.c:4936)
[   24.461072][    C2]  ? vma_complete (mm/vma.h:616 mm/vma.h:623 mm/vma.c:359)
[   24.461073][    C2]  ? __split_vma (mm/vma.c:569)
[   24.461074][    C2]  ? vms_gather_munmap_vmas (mm/vma.c:1448)
[   24.461075][    C2]  ? __mmap_setup (mm/vma.c:2439)
[   24.461077][    C2]  ? __mmap_region (mm/vma.c:2753)
[   24.461078][    C2]  ? mmap_region (mm/vma.c:2857)
[   24.461079][    C2]  ? do_mmap (mm/mmap.c:560)
[   24.461081][    C2]  ? vm_mmap_pgoff (mm/util.c:581)
[   24.461083][    C2]  ? ksys_mmap_pgoff (mm/mmap.c:606)
[   24.461085][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.461086][    C2]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.461090][    C2]  kasan_record_aux_stack (mm/kasan/generic.c:556)
[   24.461092][    C2]  kvfree_call_rcu (mm/slab_common.c:1970)
[   24.461094][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.461096][    C2]  mas_wr_node_store (lib/maple_tree.c:1153 (discriminator 1) lib/maple_tree.c:1595 (discriminator 1) lib/maple_tree.c:3201 (discriminator 1))
[   24.461099][    C2]  ? mas_update_gap.part.0 (lib/maple_tree.c:1348 (discriminator 2))
[   24.461103][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.461104][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.461107][    C2]  mas_store_prealloc (lib/maple_tree.c:4936)
[   24.461108][    C2]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.461110][    C2]  ? mas_store (lib/maple_tree.c:231)
[   24.461112][    C2]  ? down_write (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4457 kernel/locking/rwsem.c:268 kernel/locking/rwsem.c:1346 kernel/locking/rwsem.c:1356 kernel/locking/rwsem.c:1626)
[   24.461115][    C2]  ? vma_prepare (mm/vma.c:322)
[   24.461116][    C2]  vma_complete (mm/vma.h:616 mm/vma.h:623 mm/vma.c:359)
[   24.461118][    C2]  ? init_multi_vma_prep (mm/vma.c:152)
[   24.461120][    C2]  __split_vma (mm/vma.c:569)
[   24.461121][    C2]  ? commit_merge (./include/linux/maple_tree.h:791 (discriminator 3))
[   24.461123][    C2]  ? mas_next_slot (./include/linux/lockdep.h:249 lib/maple_tree.c:709 lib/maple_tree.c:715 lib/maple_tree.c:4173)
[   24.461126][    C2]  vms_gather_munmap_vmas (mm/vma.c:1448)
[   24.461128][    C2]  ? __split_vma (mm/vma.c:565)
[   24.461130][    C2]  ? mas_walk (lib/maple_tree.c:2952 lib/maple_tree.c:4366)
[   24.461132][    C2]  __mmap_setup (mm/vma.c:2439)
[   24.461134][    C2]  ? unmap_region (mm/vma.c:492)
[   24.461136][    C2]  ? __mmap_new_vma (./include/linux/fs.h:523 mm/vma.c:1840 mm/vma.c:2585)
[   24.461137][    C2]  ? perf_event_mmap (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/events/core.c:9932)
[   24.461140][    C2]  ? vma_wants_writenotify (mm/vma.c:2112)
[   24.461142][    C2]  ? vma_needs_dirty_tracking (mm/vma.c:2064 (discriminator 2))
[   24.461144][    C2]  ? uprobe_apply (./include/linux/rcupdate_trace.h:106 (discriminator 1))
[   24.461146][    C2]  ? vma_set_page_prot (mm/mmap.c:87)
[   24.461148][    C2]  __mmap_region (mm/vma.c:2753)
[   24.461150][    C2]  ? vma_merge_new_range (mm/vma.c:1083)
[   24.461151][    C2]  ? filemap_get_pages (mm/filemap.c:2725)
[   24.461155][    C2]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.461157][    C2]  ? copy_page_to_iter (lib/iov_iter.c:374 lib/iov_iter.c:361)
[   24.461160][    C2]  ? folio_mark_accessed (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:554 mm/swap.c:478 mm/swap.c:461)
[   24.461166][    C2]  ? mas_prev (lib/maple_tree.c:5211 lib/maple_tree.c:5204)
[   24.461175][    C2]  ? vm_unmapped_area (./include/trace/events/mmap.h:10 (discriminator 22) mm/mmap.c:674 (discriminator 22))
[   24.461177][    C2]  ? arch_get_unmapped_area_topdown (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/thread_info.h:133 arch/x86/kernel/sys_x86_64.c:177)
[   24.461181][    C2]  mmap_region (mm/vma.c:2857)
[   24.461182][    C2]  ? mm_take_all_locks (mm/vma.c:2266 (discriminator 1))
[   24.461184][    C2]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.461186][    C2]  ? __get_unmapped_area (./include/linux/security.h:1187 mm/mmap.c:863)
[   24.461188][    C2]  ? ovl_file_end_write (./include/linux/fs.h:1353)
[   24.461192][    C2]  do_mmap (mm/mmap.c:560)
[   24.461194][    C2]  ? __ia32_sys_brk (mm/mmap.c:116)
[   24.461196][    C2]  ? down_write_killable (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4457 kernel/locking/rwsem.c:268 kernel/locking/rwsem.c:1346 kernel/locking/rwsem.c:1361 kernel/locking/rwsem.c:1639)
[   24.461198][    C2]  ? down_write (kernel/locking/rwsem.c:1627)
[   24.461200][    C2]  vm_mmap_pgoff (mm/util.c:581)
[   24.461202][    C2]  ? randomize_page (mm/util.c:387)
[   24.461204][    C2]  ? __fget_files (./include/linux/rcupdate.h:871 fs/file.c:1101)
[   24.461207][    C2]  ksys_mmap_pgoff (mm/mmap.c:606)
[   24.461209][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.461211][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.461213][    C2]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   24.461214][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.461215][    C2]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.461218][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.461220][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.461221][    C2] RIP: 0033:0x7f33795ef85c
[   24.461224][    C2] Code: 1e fa 41 f7 c1 ff 0f 00 00 75 33 55 48 89 e5 41 54 41 89 cc 53 48 89 fb 48 85 ff 74 51 45 89 e2 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 24 5b 41 5c 5d c3 0f 1f 80 00 00 00 00 c7 05
All code
========
   0:	1e                   	(bad)
   1:	fa                   	cli
   2:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   9:	75 33                	jne    0x3e
   b:	55                   	push   %rbp
   c:	48 89 e5             	mov    %rsp,%rbp
   f:	41 54                	push   %r12
  11:	41 89 cc             	mov    %ecx,%r12d
  14:	53                   	push   %rbx
  15:	48 89 fb             	mov    %rdi,%rbx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 51                	je     0x6e
  1d:	45 89 e2             	mov    %r12d,%r10d
  20:	48 89 df             	mov    %rbx,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 24                	ja     0x56
  32:	5b                   	pop    %rbx
  33:	41 5c                	pop    %r12
  35:	5d                   	pop    %rbp
  36:	c3                   	ret
  37:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3e:	c7                   	.byte 0xc7
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 24                	ja     0x2c
   8:	5b                   	pop    %rbx
   9:	41 5c                	pop    %r12
   b:	5d                   	pop    %rbp
   c:	c3                   	ret
   d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  14:	c7                   	.byte 0xc7
  15:	05                   	.byte 0x5
[   24.461225][    C2] RSP: 002b:00007ffe98652e20 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[   24.461226][    C2] RAX: ffffffffffffffda RBX: 00007f33794fe000 RCX: 00007f33795ef85c
[   24.461227][    C2] RDX: 0000000000000003 RSI: 0000000000001000 RDI: 00007f33794fe000
[   24.461228][    C2] RBP: 00007ffe98652e30 R08: 0000000000000005 R09: 0000000000004000
[   24.461229][    C2] R10: 0000000000000812 R11: 0000000000000206 R12: 0000000000000812


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock